How many stages of labor are there?

For the Japanese ___________________________________

a. preschool is mainly a time for learning social skills and gaining experience being a member of a group b. learning academic skills is the number one goal of having their children attend preschool c. the same top reasons for young children to attend preschool are listed by parents and preschool teachers as their counterparts in the United States d. individuality is stressed from the time children enter preschool as a way to encourage children to reach their full potential

"Pete is older than Jill, and Jill is older than Pat. Who is older, Pete or Pat?" The ability to solve problems such as this demonstrates competence in

A. decentration. B. identity. C. centration. D. transitivity.